Home / 71,713.17-98,966.55-39,449.13

Finding the Fourth Proportional to 71,713.17, 98,966.55 and 39,449.13

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Solution

The fourth proportional to 71,713.17, 98,966.55 and 39,449.13 is: 54,441.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,713.17 : 98,966.55 = 39,449.13 : x
  2. Step 2: Convert to fraction form
    71,713.17/98,966.55 = 39,449.13/x
  3. Step 3: Cross multiply
    71,713.17x = 98,966.55 × 39,449.13
  4. Step 4: Simplify right side
    71,713.17x = 3,904,144,296.60
  5. Step 5: Solve for x
    x = 3,904,144,296.60/71,713.17
  6. Step 6: Final answer
    x = 54,441.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.